code: def __init__(self):
      super().__init__()
      self.layer = torch.nn.Linear(3, 1)
  
file_path: ray/python/ray/train/examples/experiment_tracking/lightning_exp_tracking_model_dl.py
imports: import pytorch_lightning
  import torch
  import torch.nn.functional
  from torch.utils.data import DataLoader, TensorDataset
label_desc: Use image node_id 1 to create a new DummyModel object from inherited base classes: pl with example: obj = DummyModel()